Regency Construction & Remodeling BA is a San Francisco ADU contractor offering new builds, space conversions, and prefab ADU solutions. They handle design to completion, manage permits, and ensure compliance with local zoning laws.
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DevArt8 Builders specializes in ADU construction in Gilroy, offering floor plans from 350–650 sq. ft. They handle permits, ensure zoning compliance, and build detached ADUs, attached units, and garage conversions tailored to each property.
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ON Design & Remodeling is a Bay Area ADU builder offering home additions, garage conversions, granny flats, and in-law suites. They help homeowners expand living space, boost property value, and generate rental income.
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Roof and Realm is a California-based steel-framed modular home and ADU builder offering fire, earthquake, and wind-resistant structures. Their eco-friendly builds use 98% recyclable materials, generate minimal waste, and support solar-ready, Net Positive energy designs.
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Whether you’re planning a rental unit, a guest house, or a private suite for family, RenoRevive will help you design and build a fully functional ADU that fits your needs, your lot, and your long-term goals.
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SFBay ADU is a Bay Area ADU contractor offering full-service design, permitting, and construction. Specializing in 600–1,200 sq ft units, they offer studio, 2-bed, garden cottage, and in-law suite options, with projects completed in as little as 6 months.
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Diagram Architecture & Diagram Design Build completed a 871 sq ft detached ADU with 2 beds, 1.5 baths, open floor plan, stainless appliances, custom closets & natural light—maximizing compact living through integrated design-build expertise.
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New Avenue, Inc is a full-service design-build company serving the San Francisco Bay Area and Portland, OR since 2011. They specialize in ADUs, custom homes, renovations, additions, and Enclaves, managing design, permitting, and construction under one roof.
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Remodeling Heroes is a licensed ADU contractor in the SF Bay Area offering garage conversions, detached ADUs, in-law suites, permits, and full project management for code-compliant, lot-smart accessory dwelling unit construction.
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PCI Construction Inc is a trusted ADU contractor offering custom accessory dwelling units, garage conversions, granny flats, and in-law suites. Licensed, bonded, and insured, they handle permitting, design, and construction efficiently.
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SOD Home Group builds attached & detached ADUs, including granny flats, in-law suites, garage conversions & backyard cottages. Licensed ADU contractor (Lic. 942085) helping homeowners expand living space efficiently.
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Soliz General Construction & Painting Inc is a Bay Area ADU contractor with 20+ years of experience. They offer full-service ADU design and construction, including permits, structural work, and finishing for granny flats, in-law suites, and backyard cottages.
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HDR Remodeling is a Bay Area Design Build firm since 1987, specializing in kitchen remodels, bathroom renovations, and home improvements across Oakland, Berkeley, Alameda, and the East Bay, backed by an experienced team of architects and designers.
read moreOrinda, California, nestled in the scenic hills of Contra Costa County, is known for its wooded, hillside terrain, top-rated schools, and upscale residential neighborhoods. These characteristics make it a highly desirable location for homeowners looking to add an Accessory Dwelling Unit (ADU) to their property. However, the unique topography and strict local regulations mean that hiring experienced ADU contractors in Orinda is absolutely essential for a successful project. From navigating steep slopes to complying with fire safety requirements in a high-risk fire zone, building an ADU in Orinda comes with its own set of challenges and opportunities.
Orinda falls under the jurisdiction of the City of Orinda Community Development Department, which oversees all ADU permits and building approvals. Like all California cities, Orinda must comply with California state ADU laws (AB 68, AB 881, SB 13), which have significantly streamlined the approval process. However, local zoning ordinances still apply. Key regulations that ADU contractors in Orinda must navigate include:
Working with a licensed and experienced ADU contractor familiar with Orinda's specific requirements can save homeowners significant time and money. Local contractors understand the nuances of building on hillside lots, including foundation challenges, drainage considerations, and soil stability. They are also well-versed in Orinda's design review process, which may apply in certain neighborhoods to ensure new structures are visually compatible with the surrounding environment.
Given the large lot sizes typical of Orinda properties, homeowners have several ADU options to consider:
Whether you're looking to generate rental income, house a family member, or increase your property value, an ADU is a smart investment in Orinda's competitive real estate market. Connect with a qualified ADU contractor in Orinda, CA who can guide you through every step — from initial design and permitting to final construction — ensuring your project meets all local and state requirements efficiently and professionally.